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Mentor Blogs

Posts tagged with 'thermal comfort'

18 Dec, 2013

Robin Bornoff Have you ever wondered why, after a winter night, some of your car windows are iced over whilst others are not? Happens after a clear night with no clouds. To understand the reason one must appreciate the fact that something loses heat, and thus gets cold, for two reasons; losing heat to the local air by convection and losing heat to any colder surrounding object due to thermal radiation. On a cold … Read More

FloVENT, Heat Your Home Office for 8p a Day, CFD, HVAC, thermal comfort

9 Dec, 2013

Robin Bornoff It’s always nice to get some comments on your blog. When starting writing blogs about 4 years ago I was told that so long as you write about something that you’re interested in, then others will read it. Comments are the echo to what otherwise would be a Demosthenes type shouting at a roaring sea of disinterest. So when a colleague here at Mentor, Dave Roberts, commented on Part 3 of this … Read More

Heat Your Home Office for 8p a Day, HVAC, FloVENT, thermal comfort

27 Nov, 2013

Robin Bornoff Dylan in his original YouTube video made the point that the tea lights only burn for about 4 hours and that he replaces them after the morning burn for an afternoon warm up session. At 1p per candle, 1p/~35W, we shouldn’t lose sight of how cost effective this heating method is. There is some doubt as to the actual power dissipation for each candle but this approach is scalable, if a 4 candle arrangement … Read More

FloVENT, Heat Your Home Office for 8p a Day, CFD, thermal comfort

9 Aug, 2012

Robin Bornoff One thing the Mechanical Analysis Division is not guilty of is vendor hubris. Despite the passion we have about our CFD based simulation solutions we know our place, especially in terms of where best to apply our solutions throughout the design process. CFD is a very powerful tool to predict 3D heat air flow and heat transfer but it certainly isn’t the only approach. As is common in both electronics … Read More

FloVENT, HVAC, Electronics Cooling, thermal comfort, U-Value

31 Jul, 2012

Robin Bornoff Conventional wisdom has it that the best place to put a radiator in a room is under the window. However, there’s nothing conventional about wisdom and one should be obliged to question and verify those facts that we take for granted. CFD and its ability to predict air flow and heat transfer offers an unrivalled efficient method to study such applications. Using the concept of PPD (percentage people … Read More

FloVENT, HVAC, CFD, radiator, thermal comfort

26 Jul, 2012

Robin Bornoff Sometime between 40 and 100 thousand years ago humans started to wear clothes, an estimate as accurate as you’d expect for something that wasn’t documented at the time. Earliest estimate of  humans documenting language are a mere 5000 years ago. One can only assume that it wasn’t modesty or fashion that drove the adoption of clothing, but comfort. Much of what we still do today, frequently … Read More

thermal comfort, Fanger, FloVENT, CFD, PPD, radiator, HVAC, PMV

12 Jul, 2012

Robin Bornoff With the gulf stream having shifted south and now flowing happily somewhere high over Paris, the summer weather in the UK has been ‘unseasonably’ (literally) wet and miserable. People’s heating has been thermostatically popping back on all over the country which for July is unheard of. So with this as the background and in the context of a stagnating world economy, ever continuing … Read More

HVAC, radiator, FloVENT, thermal comfort

4 Apr, 2012

Robin Bornoff The UK government has a policy for all year 10 or year 11 students to undertake a week’s work experience. Last week we welcomed a 15 year old student to the Mentor office where the FloTHERM and FloVENT software development is done. The student was tasked with simulating the air flow and temperature distribution in the office space using FloVENT. Using our own software to model our own offices … Read More

Electronics Cooling, FloVENT, CFD, HVAC, thermal comfort

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